Zero to Harem Hero: A Hentai Isekai Adventure
Game Information
Developer
Z2HH DevVersion
v0.2.7
Engine
RPGM
Release Date
Oct 24, 2026
Last Update
Oct 24, 2026
Censorship
Uncensored
Overview
Zero to Harem Hero: A Hentai Isekai Adventure is a 3D adult RPG for players who enjoy fantasy harem stories with a comic, easygoing tone. It suits anyone who wants an isekai setup played mostly for laughs rather than high stakes.
Story
Pulled into the world of Eldaria, the protagonist is handed the standard task of stopping a Demon Lord, but the real focus is on the odd cast of allies, rivals, and temptations he meets along the way rather than any grand heroics.
Gameplay
Players move through Eldaria completing quests and encounters tied to the Demon Lord plot while meeting a wide range of potential companions. Progress opens new classes and party members, and individual relationships develop through their own small storylines and scenes as affection grows. The structure leans on RPG progression and sandbox-style exploration between story beats.
Features
- A broad cast of companion types, from royalty to monster girls, each with a distinct personality
- Class system that changes how encounters and quests can be approached
- Individual affection paths for companions that add scenes and side content over time
- Comic, self-aware take on the isekai genre rather than a straight fantasy epic
Changelog
v0.2.7
- Happy Halloween everyone! The new event "The Garden Beyond Midnight" is here, featuring 5 new H-scenes alongside 2 new event exclusive monster girls and more. To start the event, just interact with the cake on the desk in your room and select the 2026 Halloween event.Event System Changes
- There have also been changes to the event system, so that instead of playing them one at a time from your desk, you now can choose which to play from the interactable cake on the desk in your room. Previously played events can now also be replayed.
v0.2.6
- There is now a 4th Ancient Dwarven Crystal to collect and give to Alice, available after completing the quest "Make a House a Home", which can be found inside the Magma Cave south-west of Eastport.
- Alice has a new scene as a result of the latest Ancient Dwarven Crystal. Players can also interact with the new AC Unit furniture, to trigger a mini-scene of Alice, with a 20% for repeated triggers to spawn a rare mini-scene variant.
- After completing "A Fairies Gratitude", players can speak to Dahlia outside of the Verdant Core to start the new quest "Goblin Patrol". There's currently no quest reward or H-scene attached to this quest, however for now it's just a way of building up a bit more lore and back story for the Fairies in preparation for future content.
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